<template>
  <div>
      <!-- 顶部滑动 -->
      <div id="slider" class="mui-slider">
				<div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
					<div class="mui-scroll">
						<a :class="['mui-control-item',item.id==0?'mui-active':'']" v-for="item in cates" :key="item.id" @click="getPhotoListByCateId(item.id)">
							{{item.title}}
						</a>
						
					</div>
				</div>
			</div>
			<!-- 图片列表区域 -->
			<ul class="photo-list">
               <router-link tag="li" v-for="item in list" :key="item.id" :to="'/home/photoinfo/'+item.id">
               <img v-lazy="item.img_url">
			   <div class="info">
				   <h1 class="info-title">{{item.title}}</h1>
				   <div class="info-body">{{item.zhaiyao}}</div>
			   </div>
               </router-link>
            </ul>
  </div>
</template>

<script>
import mui from '../../lib/mui/js/mui.min.js'


export default {
  data(){
      return{
		  cates:[],
		  list:[]
	  };
  },
  created(){
	 this.getAllCategory();
	 this.getPhotoListByCateId(0)
  },
  mounted(){
      //初始化滑动控件
       mui('.mui-scroll-wrapper').scroll({
       deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
       });
  },
  methods:{
	  getAllCategory(){
		  this.$http.get('api/getimgcategory').then(result=>{
			  if(result.body.status===0){
				  result.body.message.unshift({title:'全部',id:0});
                  this.cates=result.body.message;
			  }
		  })
	  },
	  getPhotoListByCateId(cateId){
		  this.$http.get('api/getimages/'+cateId).then(result=>{
			  if(result.body.status===0){
				  this.list=result.body.message;
			  }
		  })
	  }
  }
};
</script>

<style lang="scss" scoped>
*{
    touch-action:pan-y;
}
.photo-list{
	list-style:none;
	margin:0;
	padding:10px;
	padding-bottom:0;
	li{
		background-color: #ccc;
		text-align: center;
		margin-bottom: 10px;
		box-shadow: 0 0 9px #999;
		position: relative;
		img{
			width:100%;
			vertical-align: middle;
		}
	    img[lazy=loading] {
            width: 40px;
            height: 300px;
            margin: auto;
         }
		 .info{
			 position: absolute;
			 bottom: 0;
			 color:white;
			 text-align: left;
			 background-color:rgba(0,0,0,.4);
			 max-height:84px;
			 .info-title{
				 font-size: 14px;

			 }
			 .info-body{
				 font-size: 13px;

			 }
		 }	
	}
}

</style>

